Removed extraneous string from strings.xml

Change-Id: I68db708eed866f644a2443bdc90582ae3e5c85eb
diff --git a/res/values/strings.xml b/res/values/strings.xml
index ec13ce1..5b6525e 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1477,8 +1477,6 @@
     <string name="wifi_setting_on_during_sleep_title">Wi\u2011Fi on during sleep</string>
     <!-- Generic error message when the sleep policy could not be set. -->
     <string name="wifi_setting_sleep_policy_error">There was a problem changing the setting</string>
-    <!-- Checkbox title for option to toggle suspend power optimizations [CHAR LIMIT=30]-->
-    <string name="wifi_suspend_efficiency">Wi\u2011FI optimization</string>
     <!-- Checkbox title for option to toggle suspend power optimizations [CHAR LIMIT=30] -->
     <string name="wifi_suspend_efficiency_title">Improve efficiency</string>
     <!-- Checkbox title for option to toggle suspend power optimizations -->